Allen-Bradley 1769-L23-QBFC1B CompactLogix Controller

The Allen-Bradley 1769-L23-QBFC1B is a powerful and compact Programmable Logic Controller (PLC), designed to optimize industrial automation. As part of the CompactLogix series, this controller integrates performance, communication, and I/O functions in one sleek unit. It is especially suitable for space-constrained environments where efficiency and reliability are paramount.

Key Specifications

Specification	Details
Manufacturer	Allen-Bradley
Model	1769-L23-QBFC1B
Product Line	CompactLogix
User Memory	512 KB
Communication Ports	Two (2) RS-232 Ports
Protocols Supported	DF1, ASCII, DH-485
Digital Inputs	16 x 24 VDC
Digital Outputs	16 x 24 VDC
Analog Inputs	4 x 0-10.5 VDC / 4-20 mA
Analog Outputs	2 x 0-10.5 VDC / 0-21 mA
High-Speed Counters	4 x HSC
Enclosure Type	Open-Style
Mounting Options	DIN Rail / Panel Mount
Operating Temperature	0°C to 60°C (32°F to 140°F)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Vibration Resistance	5g @ 10-500 Hz
Operating Shock	30g
Power Dissipation	10.73 W
Humidity Range	5% to 95% Non-Condensing
Weight	3.75 lbs (1.70 kg)
Dimensions (L x W x H)	4.13 x 9.82 x 4.65 inches (105 x 250 x 118 mm)
Wire Size	22-14 AWG (Solid), 22-16 AWG (Stranded)
Battery	1768-BA User-replaceable

Module Description and Features

The 1769-L23-QBFC1B is packed with features that significantly enhance industrial performance. First, it offers 512 KB of user memory, which ensures the controller can handle complex automation logic with ease. Second, the controller is equipped with two RS-232 communication ports, supporting DF1, ASCII, and DH-485 protocols for reliable, versatile connectivity.

Furthermore, it includes 42 embedded I/O channels, comprising 16 digital inputs, 16 digital outputs, and 6 analog channels (4 inputs and 2 outputs). In addition, four high-speed counters provide precise monitoring of speed and other dynamic processes.

Moreover, the 1769-L23-QBFC1B supports multiple mounting options, including both DIN rail and panel mounting, making it flexible and easy to install in various industrial setups.

Enhanced Performance and Versatility

The 1769-L23-QBFC1B is designed to maximize efficiency while ensuring reliability. It supports multiple programming languages, such as ladder diagram and structured text, for a customizable programming experience. Moreover, its compact size does not limit its functionality — it integrates powerful I/O and advanced processing capabilities.

Its wide operating temperature range (0°C to 60°C) and storage range (-40°C to 85°C) ensure the controller operates effectively in various environmental conditions. Additionally, it offers a 24V DC power supply, providing stable energy for all components.

Country of Origin

Manufactured by Allen-Bradley (a part of Rockwell Automation), the 1769-L23-QBFC1B controller adheres to the highest standards of quality. Made in the USA, it exemplifies the innovation and reliability that Allen-Bradley is renowned for in the automation industry.